pH55 (pH/Temp waterproof tester Mi5560 Back Catalog number: MI5560 Manufacturer: MILWAUKEE ELECTRONICS Availability: In the manufacturer's stock Price on request - + Recommended MI150 pH/Temp combined bench meter Mi150 Price on request C65 Waterproof conductivity tester, 0 to 1999 μS/cm Price on request MW500 ORP meter MW500 Price on request